CN218695421U - Welding tool with replaceable clamp - Google Patents

Abstract

The utility model provides a removable anchor clamps's welding frock relates to intelligent welding field, including base, support universal arm and welder, the base rotates and connects on the support, be provided with the step motor who links to each other with the base pivot on the support, detachable anchor clamps that are provided with on the base, anchor clamps are used for the centre gripping work piece, universal arm can drive welder and implement the welding to the work piece, anchor clamps include carousel, two sets of lead screw module, the detachable installation of carousel is on the base, and two sets of lead screw module are the fork type setting on the carousel, are provided with the fixed subassembly that is used for fixed work piece on two sets of lead screw modules. This welding frock of removable anchor clamps, when the welding is accomplished to the anchor clamps centre gripping plate that is equipped with the splint, can pull down this carousel is whole from the base to on the carousel that will load and have plate and bottom plate is installed to the base, make welding frock can realize the welding of two kinds of different work pieces, the commonality is strong, can effectively practice thrift the cost in business.

Description

Welding tool with replaceable clamp

Technical Field

The utility model relates to an intelligence welding technology field specifically is a removable anchor clamps's welding frock.

Background

With the development of welding technology, especially with the development of welding automation, automatic welding robots with high welding efficiency and good welding seam quality are applied to industrial production in large quantity.

Generally, a welding robot can be used in cooperation with a clamp, such as an automatic welding clamp for cooperation with a welding robot in chinese patent publication No. CN103008961B, when in use, a workpiece is clamped on the clamp, and the workpiece is driven by the clamp to rotate to cooperate with the welding robot for welding.

However, some workpieces are formed by combining small parts, such as tower legs, cross connecting plates and other members used for iron towers, the tower legs are formed by four plates and a bottom plate, the four plates are required to be welded into the cross connecting plate firstly during welding, then the bottom plate is welded with the plates, but the conventional clamp is special in shape, and the clamping modes of the plates and the bottom plate are different, so that one clamp only can clamp the plates or the bottom plate, and a plurality of welding tools are required to be adopted for processing.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a removable anchor clamps's welding frock has solved the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a welding frock of removable anchor clamps, includes base, the universal arm of support and welder, the base rotates to be connected on the support, be provided with the step motor who links to each other with the base pivot on the support, detachable anchor clamps that are provided with on the base, anchor clamps are used for the centre gripping work piece, universal arm can drive welder and implement the welding to the work piece, anchor clamps include carousel, two sets of lead screw module, the detachable installation of carousel is on the base, and two sets of lead screw module are the form of crossing and set up on the carousel, are provided with the fixed subassembly that is used for fixed work piece on two sets of lead screw module.

Preferably, the lead screw module includes lead screw, motor and two nuts, and two sections screw threads of lead screw both sides are opposite, the both ends of lead screw are passed through the fixed block and are set up on the carousel, the motor sets up on the fixed block, and link to each other with the lead screw, and two nuts are threaded sleeve respectively and are established on two sections opposite screw threads of lead screw, every be provided with a fixed subassembly on the nut.

Preferably, the workpiece is a cross-shaped workpiece with edges connected by four plates, the fixing assembly is a pair of clamping plates, the pair of clamping plates are arranged at the top of the nut, the plate is clamped between the pair of clamping plates, and the clamping plates are in threaded connection with locking bolts for fixing the plate.

Preferably, the workpiece comprises four plates and a bottom plate, the fixing component is a fixing column, the fixing column is vertically arranged on the nut, and four through holes for the fixing column to pass through are formed in the bottom of the bottom plate.

Preferably, a plurality of fixing holes which correspond to each other up and down are formed in the rotary table and the base, the fixing holes are distributed around the center of the rotary table at equal angles, and the fixing holes in the rotary table and the base are connected through fixing bolts.

Preferably, the number of the fixing holes is four, a square positioning groove is formed in the center of the base, and a square positioning block matched with the positioning groove is arranged at the bottom of the rotary table.

(III) advantageous effects

The utility model provides a removable anchor clamps's welding frock. The method has the following beneficial effects:

1. this welding frock of removable anchor clamps, when the welding is accomplished to the anchor clamps centre gripping plate that is equipped with the splint, can pull down this carousel is whole from the base to on the carousel that will load and have plate and bottom plate is installed to the base, make welding frock can realize the welding of two kinds of different work pieces, the commonality is strong, can effectively practice thrift the cost in business.

Drawings

Fig. 1 is an isometric view of the present invention;

FIG. 2 is a corresponding view of the workpiece and the fixing column of the present invention;

FIG. 3 is a schematic view of the bottom structure of the turntable of the present invention;

fig. 4 is a schematic view of the fixing assembly of the present invention;

fig. 5 is a schematic view of the clamping plate of the present invention.

In the figure: the welding machine comprises a base 1, a base 2, a support 3, a turntable 4, a screw module 5, a screw 51, a motor 52, a nut 53, a fixing component 6, a fixing column 61, a clamping plate 62, a locking bolt 63, a workpiece 7, a plate 71, a bottom plate 72, a through hole 73, a stepping motor 8, a fixing bolt 9, a fixing hole 10, a positioning groove 11, a positioning block 12, a universal mechanical arm 13 and a welding gun 14.

Detailed Description

The embodiment of the utility model provides a welding frock of removable anchor clamps, as shown in fig. 1-5, including base 2, 3 universal mechanical arms 13 of support and welder 14.

The base 2 is rotatably connected to the bracket 3, and the base 2 can rotate relative to the bracket 3. The support 3 is provided with a stepping motor 8 connected with the rotating shaft of the base 2, and the stepping motor 8 is used for driving the base 2 to rotate in a stepping mode. The base 2 is detachably provided with a clamp which is used for clamping a workpiece 7. The universal mechanical arm 13 can drive the welding gun 14 to weld the workpiece 7, and the universal mechanical arm 13 is an existing commercially available product and can drive the welding gun 14 to move flexibly to weld the workpiece 7.

As shown in fig. 1-2, the fixture includes a turntable 4 and two sets of lead screw modules 5, the turntable 4 is detachably mounted on the base 2, the two sets of lead screw modules 5 are disposed on the turntable 4 in a crossing manner, and the two sets of lead screw modules 5 are provided with fixing assemblies 6 for fixing the workpiece 7.

The lead screw module 5 comprises a lead screw 51, a motor 52 and two nuts 53, two sections of threads on two sides of the lead screw 51 are opposite, two ends of the lead screw 51 are arranged on the turntable 4 through fixing blocks, the lead screw 51 can rotate relative to the fixing blocks, the motor 52 is arranged on the fixing blocks and connected with the lead screw 51, and the motor 52 is used for driving the lead screw 51 to rotate. The two nuts 53 are respectively sleeved on two opposite threads of the screw 51, and when the screw 51 rotates, the two nuts 53 can be driven to synchronously move towards opposite or opposite directions. The screw 51 and the nut 53 may be matched by a ball screw, or a slide rail may be provided on the turntable 4 along the length direction of the screw 51, and the bottom of the nut 53 is slidably fitted on the slide rail.

One securing assembly 6 is provided on each nut 53. The fixing assembly 6 depends on the configuration of the workpiece 7. The workpiece 7 is a tower foot and is composed of four plates 71 and a bottom plate 72, and during welding, the four plates 71 are welded into a cross connecting plate, and then the bottom plate 72 is welded with the plates 71.

In the first embodiment, as shown in fig. 4-5, the workpiece 7 to be welded is a cross-shaped workpiece 7 with four plates 71 connected at the edge, the bottom of the four plates 71 is clamped during welding, the fixing assembly 6 is a pair of clamping plates 62, the pair of clamping plates 62 are arranged at the top of the nut 53, the plate 71 is clamped between the pair of clamping plates 62, and the clamping plates 62 are in threaded connection with a locking bolt 63 for fixing the plate 71. The four clamping plates 62 of the four nuts 53 are cross-shaped, and four plate members 71 are respectively inserted between the four clamping plates 62 and clamped by the locking bolts 63 during clamping.

In the second embodiment, as shown in fig. 1-2, the workpiece 7 is composed of four plates 71 and a bottom plate 72, the fixing component 6 is a fixing column 61, the fixing column 61 is vertically disposed on the nut 53, and four through holes 73 for the fixing column 61 to pass through are formed in the bottom of the bottom plate 72. After the four through holes 73 at the bottom of the workpiece 7 are hung on the four fixing columns 61, the four fixing columns 61 are driven to be pulled outwards by the two groups of screw modules 5, and the workpiece 71 is clamped on the four fixing columns 61 by tension.

As shown in fig. 2, a plurality of fixing holes 10 corresponding to each other up and down are formed in the turntable 4 and the base 2, the fixing holes 10 are distributed around the center of the turntable 4 at equal angles, and the fixing holes 10 in the turntable 4 and the base 2 are connected through fixing bolts 9. The fixing holes 10 are used for aligning the rotary table 4 and the base 2, and the base 2 is used for synchronously driving the rotary table 4 to rotate.

As shown in fig. 3, the number of the fixing holes 10 is four, a square positioning groove 11 is formed in the center of the base 2, and a square positioning block 12 adapted to the positioning groove 11 is arranged at the bottom of the turntable 4. After the positioning block 12 at the bottom of the turntable 4 is embedded into the positioning groove 11, the turntable 4 and the four fixing holes 10 of the base 2 correspond up and down.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a welding frock of removable anchor clamps which characterized in that: including base (2), support (3) universal arm (13) and welder (14), base (2) are rotated and are connected on support (3), be provided with step motor (8) that link to each other with base (2) pivot on support (3), detachable anchor clamps that are provided with on base (2), anchor clamps are used for centre gripping work piece (7), universal arm (13) can drive welder (14) and implement the welding to work piece (7), anchor clamps include carousel (4), two sets of lead screw module (5), detachable the installing on base (2) of carousel (4), two sets of lead screw module (5) are the fork form setting on carousel (4), are provided with fixed subassembly (6) that are used for fixed work piece (7) on two sets of lead screw module (5).

2. The welding frock of removable anchor clamps of claim 1, characterized in that: the lead screw module (5) comprises a lead screw (51), a motor (52) and two nuts (53), wherein two threads on two sides of the lead screw (51) are opposite, two ends of the lead screw (51) are arranged on the turntable (4) through fixing blocks, the motor (52) is arranged on the fixing blocks and is connected with the lead screw (51), the two nuts (53) are respectively sleeved on two opposite threads of the lead screw (51) in a threaded manner, and each nut (53) is provided with a fixing component (6).

3. The welding frock of removable anchor clamps of claim 2, characterized in that: the workpiece (7) is a cross-shaped workpiece (7) with edges connected by four plates (71), the fixing component (6) is a pair of clamping plates (62), one pair of the clamping plates (62) are arranged at the top of the nut (53), one pair of the clamping plates (62) are used for clamping the plates (71), and the clamping plates (62) are connected with locking bolts (63) used for fixing the plates (71) in a threaded mode.

4. The welding frock of removable anchor clamps of claim 2, characterized in that: the workpiece (7) is composed of four plates (71) and a bottom plate (72), the fixing assembly (6) is a fixing column (61), the fixing column (61) is vertically arranged on a nut (53), and four through holes (73) for the fixing column (61) to pass through are formed in the bottom of the bottom plate (72).

5. The welding frock of removable anchor clamps of claim 1, characterized in that: a plurality of fixed orificess (10) that correspond from top to bottom are all seted up on carousel (4) and base (2), and a plurality of fixed orificess (10) are around carousel (4) central equiangular distribution, fixed orifices (10) on carousel (4) and base (2) link to each other through gim peg (9).

6. The welding frock of removable anchor clamps of claim 5, characterized in that: the quantity of fixed orifices (10) is four, the center department of base (2) begins to have square constant head tank (11), the bottom of carousel (4) is provided with square locating piece (12) with constant head tank (11) looks adaptation.

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